Question is ⇒ An exponential amplifier has diode in feedback path., Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper.

Question is ⇒ An exponential amplifier has diode in feedback path., Options are ⇒ (A) TRUE, (B) FALSE, (C) , (D) , (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	An exponential amplifier has diode in feedback path.
A.	TRUE [Wrong Answer]
B.	FALSE [Correct Answer]
View Answer 1 -2 Explanation:- Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

Previous question Next question

Also Read Similar Questions Below :

⇒

Assertion (A): The Fourier series of the wave shown in the figure does not contain even harmao
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true

⇒ The signal flow graph of a system is shown in the given figure. The effect of disturbance T_D can be reduce
increasing G₂ (s)
decreasing G₂ (s)
increasing G₁ (s)
decreasing G₁ (s)

⇒ The following circuit resonate
0.5 Hz
5 Hz
1 rad/sec
0.5 rad/sec

⇒ In a two phase servomotor the two stator windings have a phase difference of
30°
45°
90°
135°

⇒ The power consumption of a present day colour TV receiver is about
8 W
80 W
200 W
400 W

⇒ If we manage to __________ our natural resources, we would leave a better planet for our children.
uphold
restrain
Cherish
conserve

⇒ Antenna reciprocity is put to use in
radar system
commercial broadcast
TV broadcast system
none of the above

⇒

Assertion (A): A large negative feedback is deliberately introduced in an amplifier to make its gain independent of variation in parameters of active device.

Reason (R): A large negative value of feedback results in a high value of return difference compared to unity which makes the feedback gain inversely proportional to the feedback factor.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
R is correct but A is wrong

⇒ A 1000 kHz carrier wave modulated 40% at 40000 Hz is applied to a resonant circuit tuned to a carrier frequency and having Q = 140. What is the degree of modulator after transmission through the circuit?
0.4
0.2
0.27
0.54

⇒ Which DOS command improves memory usage?
MEM MAKER
MOVE
MEM IM
None on the above

⇒ In a low level AM system, the amplifier which follows the modulated stage must be the
linear device
harmonic device
class C amplifier
non-linear device

⇒ How much is contributed by each bit in the code word of a PCM system under uniform and symmetric quantization to the signal to noise ratio?
3 dB
4 dB
5 dB
6 dB

⇒ The fabrication of microstrip line is done by
photo etching
printed circuit technique
oxidation
cladding

⇒ Four terminal approach is used in measuring low resistance because it
eliminates thermoelectric energy
eliminates stray capacitance
eliminates stray inductance
eliminates the effect of leads and contacts

⇒ An AC source or RMS voltage 20V with internal impedance Z_s = (1 + 2j) Ω feeds a load of impedance Z_L = (7 + 4j) Ω in the figure below. The reactive power consumed by the loa
8 VAR
16 VAR
28 VAR
32 VAR

⇒ The configuration of figure
Hartley oscillator
Precision Integrator
Wienbridge oscillator
Butterworth high pass filter

⇒ Three Mod-16 counters are connected in cascade. The maximum counting range is
16
256
4096
none of the above

⇒ The value of VSWR is taken as ∞ when the line is
short-circuited
open-circuited
terminated with full load
terminated with load equal to the characteristic impedance of the load

⇒ The materials having low retentivity are suitable for making
temporary smagnets
weak magnets
permanent magnets
both temporary and permanent magnets

⇒ A single phase cycloconverter feeds a resistance heating load. The heating power is provided by
only the fundamental component of output wave
only higher harmonics in the output wave
both fundamental and higher harmonics in the output wave
either (a) or (b)

⇒ The effect of lead resistance is important in measurement of
resistance of shunt
resistance of shunt winding
resistance of ammeter
both (a) and (c)

⇒ A device with input x(t) and y(t) is characterized by y(t) = x²(t). An FM signal with frequency deviation of 90 kHz and modulating signal bandwidth of 5 kHz is applied to this device. The bandwidth of the output signal is
370 kHz
190 kHz
380 kHz
95 kHz

⇒

Assertion (A): In TE mode for rectangular waveguide.

Reason (R): In TM mode for rectangular waveguide.

Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct

⇒ If B_max is the maximum flux density, hysteresis loss is proportional to
B_max
B^1.6_max
B²_max
B³_max

⇒ The output wave of a cycloconverter consists of a number of segments derived from the input wave.
TRUE
FALSE

⇒

Match the following:

	List I		List II
A.	PMMC	1.	Square law type scale
B.	Moving iron	2.	Very good response
C.	Thermo-couple	3.	Linear scale
D.	Electrostatic	4.	Voltmeter

A-4, B-1, C-2, D-3
A-3, B-2, C-1, D-4
A-4, B-2, C-1, D-3
A-3, B-1, C-2, D-4

⇒ A MOD - 2 counter, the FF has a t_pd = 60 nsec. The NOR gate has a t_pd of 30 nsec. The clock frequency is
37 MHz
40 MHz
111 MHz
none

⇒ A diode peak reading VTVM and thermocouple meter are connected across output of an amplitude modulated circuit. In the absence of modulation both meters read 10 V. When sinusoidal AM is applied, VTVM reads 15V The reading of thermocouple meter will be
10 V
12.5 V
14.1 V
15 V

⇒ Consider a silicon p-n junction at room temperature having the following paramet
0.15 MV.com^-1, directed from p-region to n-region
0.15 MV.com^-1, directed from n-region to p-region
1.80 MV.com^-1, directed from p-region to n-region
1.80 MV.com^-1, directed from n-region to p-region

⇒ Most popular IF for receivers tuning to 540 to 1650 kHz is
433 kHz
455 kHz
545 kHz
555 kHz